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标题: prep-124中their的问题，看了很多人的解答还是不太懂。。 [打印本页]

作者: sethpei 时间: 2011-6-25 12:25
标题: prep-124中their的问题，看了很多人的解答还是不太懂。。

124. (31091-!-item-!-188;#058&004372)

Whereas the use of synthetic fertilizers has greatly expanded agricultural productivity in many parts of the world, an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers may accelerate soil structure deterioration and soil erosion.

(A) an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers

Ａ中的第一个their为什么肯定的说指synthetic fertilizers 呢，这里又不是从句主语优先指代主句主语～指前面的复数名词parts也有可能嘛～

(B) an increase in their use can create serious environmental problems like water pollution, and if substituted for more traditional fertilizers, it

(C) if these fertilizers are used increasingly, they can create serious environmental problems such as water pollution, and if used as substitutions for more traditional fertilizers, they

(D) the increased usage of these fertilizers can create serious environmental problems such as water pollution, while if substituted for more traditional fertilizers, this substitution

(E) the increased usage of these fertilizers can create serious environmental problems like water pollution, while their substitution for more traditional fertilizers

有的牛牛说只要没有歧义就行，可是我仍然觉得A中的their可能有歧义啊，能不能请大牛们具体讲解下？因为对their的困惑我真的无法确定的排除C选项。。。

作者: sethpei 时间: 2011-6-25 12:29
自己顶一下，真心求解答。。

作者: aaintw 时间: 2011-7-26 10:37
我也来顶一下……

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